[INFO] cloning repository https://github.com/nsmryan/Bit-Patterns [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsmryan/Bit-Patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FBit-Patterns", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FBit-Patterns'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5db7b71fc4ac42ae40ec34780a34f7cb29e244a [INFO] testing nsmryan/Bit-Patterns against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FBit-Patterns" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nsmryan/Bit-Patterns on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nsmryan/Bit-Patterns [INFO] finished tweaking git repo https://github.com/nsmryan/Bit-Patterns [INFO] tweaked toml for git repo https://github.com/nsmryan/Bit-Patterns written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nsmryan/Bit-Patterns already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45da9d462dbae4d4ab97e975bec210c19e8b58d4c1c8b3bfbbdf6ffe0a093cae [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "45da9d462dbae4d4ab97e975bec210c19e8b58d4c1c8b3bfbbdf6ffe0a093cae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45da9d462dbae4d4ab97e975bec210c19e8b58d4c1c8b3bfbbdf6ffe0a093cae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45da9d462dbae4d4ab97e975bec210c19e8b58d4c1c8b3bfbbdf6ffe0a093cae", kill_on_drop: false }` [INFO] [stdout] 45da9d462dbae4d4ab97e975bec210c19e8b58d4c1c8b3bfbbdf6ffe0a093cae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5185a088e742e482c28a94d373e70283c4e758b9f2516a97ac349b5d46bbd901 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5185a088e742e482c28a94d373e70283c4e758b9f2516a97ac349b5d46bbd901", kill_on_drop: false }` [INFO] [stderr] Compiling git_pattern v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `percent_ones` [INFO] [stdout] --> src/main.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let percent_ones: f64 = bits.clone().map(|bit| if bit { 1.0 } else { 0.0 } ).sum::() / num_bits as f64; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent_ones` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bit_pattern` [INFO] [stdout] --> src/main.rs:120:21 [INFO] [stdout] | [INFO] [stdout] 120 | let bit_pattern = (index / divisor as usize) as u16; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bit_pattern` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:98:21 [INFO] [stdout] | [INFO] [stdout] 98 | let mut count = bit_pattern_map.get_mut(&bit_pattern).unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | file.read_to_end(&mut byte_vec); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "5185a088e742e482c28a94d373e70283c4e758b9f2516a97ac349b5d46bbd901", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5185a088e742e482c28a94d373e70283c4e758b9f2516a97ac349b5d46bbd901", kill_on_drop: false }` [INFO] [stdout] 5185a088e742e482c28a94d373e70283c4e758b9f2516a97ac349b5d46bbd901 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b318eeff627fc7bfa42ad9972ed9206e04287db8081c4b683562868dec8236a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5b318eeff627fc7bfa42ad9972ed9206e04287db8081c4b683562868dec8236a", kill_on_drop: false }` [INFO] [stderr] Compiling git_pattern v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `percent_ones` [INFO] [stdout] --> src/main.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let percent_ones: f64 = bits.clone().map(|bit| if bit { 1.0 } else { 0.0 } ).sum::() / num_bits as f64; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent_ones` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bit_pattern` [INFO] [stdout] --> src/main.rs:120:21 [INFO] [stdout] | [INFO] [stdout] 120 | let bit_pattern = (index / divisor as usize) as u16; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bit_pattern` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:98:21 [INFO] [stdout] | [INFO] [stdout] 98 | let mut count = bit_pattern_map.get_mut(&bit_pattern).unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | file.read_to_end(&mut byte_vec); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "5b318eeff627fc7bfa42ad9972ed9206e04287db8081c4b683562868dec8236a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b318eeff627fc7bfa42ad9972ed9206e04287db8081c4b683562868dec8236a", kill_on_drop: false }` [INFO] [stdout] 5b318eeff627fc7bfa42ad9972ed9206e04287db8081c4b683562868dec8236a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b0ec5b476c3b4ef47415789e1ef185a03c99e700d7422b5f7b069488fa79deb8 [INFO] running `Command { std: "docker" "start" "-a" "b0ec5b476c3b4ef47415789e1ef185a03c99e700d7422b5f7b069488fa79deb8", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Cow` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::borrow::Cow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `percent_ones` [INFO] [stderr] --> src/main.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let percent_ones: f64 = bits.clone().map(|bit| if bit { 1.0 } else { 0.0 } ).sum::() / num_bits as f64; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent_ones` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bit_pattern` [INFO] [stderr] --> src/main.rs:120:21 [INFO] [stderr] | [INFO] [stderr] 120 | let bit_pattern = (index / divisor as usize) as u16; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bit_pattern` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:98:21 [INFO] [stderr] | [INFO] [stderr] 98 | let mut count = bit_pattern_map.get_mut(&bit_pattern).unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | file.read_to_end(&mut byte_vec); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/git_pattern-da81075476d10444 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b0ec5b476c3b4ef47415789e1ef185a03c99e700d7422b5f7b069488fa79deb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0ec5b476c3b4ef47415789e1ef185a03c99e700d7422b5f7b069488fa79deb8", kill_on_drop: false }` [INFO] [stdout] b0ec5b476c3b4ef47415789e1ef185a03c99e700d7422b5f7b069488fa79deb8